2N2: Addition and subtraction (II)

Description

This unit focuses on perform addition of not more than three numbers (each up to 3 digits, with carry).

Learning Outcomes

• •Perform addition of not more than three numbers (each up to 3 digits, with carry).
• •Use commutative and associative properties of addition when helpful.
• •Perform subtraction of not more than three numbers (each up to 2 digits, with borrowing).
• •Solve problems.